 $(function(){
			 	$('.dl-1').click(function(){
    			location.href ="z-index.html";
    		})
               $('.dl-2').click(function(){
    			location.href ="wu.html";
    		})
               $('.dl-3').click(function(){
    			location.href ="can.html";
    		})
               $('.dl-4').click(function(){
    			location.href ="shiwu.html";
    		})
               $('.dl-5').click(function(){
    			location.href ="shiliu.html";
    		})
               })